Thanks judebert for your help.
One further question. Should I just be able to enable mod_rewrite in s9y and everything should be ok ? The reason i ask is that I tried that yesterday and whenever I clicked on an article header it came up with the url was not found. However, I did not check that mod ...

hi,
We would like to change the urls's used on the site to improve search engine rankings for all blog articles and have looked at using the mod_rewrite functionality.
However, I know nothing about it and would appreciate any help from someone who has been there and done that.
I am competent ...